That last play was a total disaster and can only be blamed on one man.
And let’s not mention the fumble at the end of regulation.
Like I said brainless on the level of Lamar
Actually the Buffalo OL was looking VERY shaky in pass pro during that entire drive (and for much of the 4th quarter). Scroll back and you'll see I mentioned it earlier. The only good pass play in OT by the Bills was the screen play, where they made a virtue of their struggle to stem the Vikings pass rush.
The OL struggling in pass pro is a result of the Vikings D scheming effectively.
The result of poor pass pro is that an already shaken QB (Allen) lost patience and started scrambling instead of working through his progressions - very poor decision by him.
He then took a couple of hits (as you observed).
He then made a very poor read and threw a bog awful pass to a well-positioned defender.
I can see this unfolding because I watch as much of the action as I can. You just sit there giggling, saying "I hate Josh Allen".
Allen was excellent in the final drive in regulation, but awful in his only drive in OT. It's MUCH more complicated than you seem to appreciate.
PM me your address. Let me send you a copy of Pat Kirwan's book.
https://www.goodreads.com/book/show/8580731-take-your-eye-off-the-ball